Question

Please help

Answer 1

Given Equation:

$\bigg( \tt\dfrac{ {x}^{4} }{ {7}^{ - 8} } \bigg) {}^{ - 7}$

$\implies \tt( {x}^{4} \times {7}^{8}) {}^{ - 7}$

$\implies \tt {x}^{4 \times( - 7)} \times {7}^{8 \times( - 7)}$

$\implies \underline{\underline{\tt {x}^{ - 28} . {7}^{ - 56} }}$

.°.option c is correct